Earthquake with magnitude of Md 2.1 on date 01-03-1999 and time 03:12:15 (Italy) in region 7 km E Monteleone di Spoleto (PG)

A magnitude Md 2.1 earthquake occured in region: 7 km E Monteleone di Spoleto (PG), on

  • 01-03-1999 02:12:15 (UTC)
  • 01-03-1999 03:12:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.62, 13.04 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monteleone di Spoleto PG 7 599 599
Leonessa RI 9 2435 3034
Cittareale RI 10 482 3516
Cascia PG 11 3217 6733
Posta RI 12 694 7427
Poggiodomo PG 13 117 7544
Borbona RI 15 617 8161
Polino TR 16 233 8394
Poggio Bustone RI 18 2055 10449
Rivodutri RI 19 1253 11702
Micigliano RI 19 127 11829
Accumoli RI 19 667 12496
Scheggino PG 19 461 12957
Norcia PG 19 4957 17914
Morro Reatino RI 20 373 18287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
55 Km W of Teramo (54892 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
76 Km N of Tivoli (56533 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
98 Km W of Chieti (51815 inhabitants)
98 Km W of Pescara (121014 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 1000 Md 2.1 1999-03-01
02:12:15
42.62 13.04 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 360429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-03-01 02:12:15 ± 0.114
Latitude 42.62 ± 0.01
Longitude 13.04 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 360429

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1201
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00567
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 360429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:37:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 1999-03-01T02:12:37.97 10.0 undecidable manual SG 353 0.0057 0.02 0.5
--.ASS.Z. 1999-03-01T02:12:34.51 10.0 undecidable manual SG 327 0.0046 0.22 0.2
--.SNTG.Z. 1999-03-01T02:12:28.12 10.0 undecidable manual PG 353 0.0057 -0.41 0.1
--.MNS.Z. 1999-03-01T02:12:28.91 10.0 undecidable manual SG 227 0.0032 -0.02 0.7
--.ASS.Z. 1999-03-01T02:12:26.34 10.0 undecidable manual PG 327 0.0046 -0.07 1.5
--.NRCA.Z. 1999-03-01T02:12:24.59 10.0 undecidable manual SG 15 0.0019 0.04 0.6
--.MNS.Z. 1999-03-01T02:12:23.38 10.0 undecidable manual PG 227 0.0032 0.06 1.6
--.NRCA.Z. 1999-03-01T02:12:20.86 10.0 positive manual PG 15 0.0019 0.07 2.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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